Unlike traditional roller bearings, the XRBS series design features cylindrical rollers arranged alternately at 90° and separated by a spacer block. This unique structure enables a single bearing to simultaneously withstand multiple loads, including radial, axial, and overturning moments, significantly simplifying mechanical design.
In today's industrial landscape, where precision and compactness are increasingly demanding, the Ultra-Thin XRBS Series Crossed Roller Bearings stand out with their unique design and superior performance. They offer more than just an upgrade over traditional bearings; they're a tailor-made solution for engineers and designers seeking ultimate performance.
| Ultra thin XRBS series crossed roller bearings | ||||||||||
| Nominal type | External dimension | Basic rated load | Weight | Corresponding type | ||||||
| （kN） | ||||||||||
| Internal diameter | Outside diameter | Width | Pitch Circle diameter of roller | Shoulder dimension | Radial direction | |||||
| d | D | B | Dpw | ds | Dh | C | Co | Kg | THK | |
| XRBS5008 | 50 | 66 | 8 | 57 | 53.5 | 60.5 | 5.1 | 7.19 | 0.08 | CRBS508 |
| XRBS6008 | 60 | 76 | 8 | 67 | 63.5 | 70.5 | 5.68 | 8.68 | 0.09 | CRBS608 |
| XRBS7008 | 70 | 86 | 8 | 77 | 73.5 | 80.5 | 5.98 | 9.8 | 0.1 | CRBS708 |
| XRBS8008 | 80 | 96 | 8 | 87 | 83.5 | 90.5 | 6.37 | 11.3 | 0.11 | CRBS808 |
| XRBS9008 | 90 | 106 | 8 | 97 | 93.5 | 100.5 | 6.67 | 12.4 | 0.12 | CRBS908 |
| XRBS10008 | 100 | 116 | 8 | 107 | 103.5 | 110.5 | 7.15 | 13.9 | 0.16 | CRBS1008 |
| XRBS11008 | 110 | 126 | 8 | 117 | 113.5 | 120.5 | 7.45 | 15 | 0.15 | CRBS1108 |
| XRBS12008 | 120 | 136 | 8 | 127 | 123.5 | 130.5 | 7.84 | 16.5 | 0.17 | CRBS1208 |
| XRBS13008 | 130 | 146 | 8 | 137 | 133.5 | 140.5 | 7.94 | 17.6 | 0.18 | CRBS1308 |
| XRBS14008 | 140 | 156 | 8 | 147 | 143.5 | 150.5 | 8.33 | 19.1 | 0.19 | CRBS1408 |
| XRBS15008 | 150 | 166 | 8 | 157 | 153.5 | 160.5 | 8.82 | 20.6 | 0.2 | CRBS1508 |
| XRBS16013 | 160 | 186 | 13 | 172 | 165 | 179 | 23.3 | 44.9 | 0.59 | CRBS1613 |
| XRBS17013 | 170 | 196 | 13 | 182 | 175 | 189 | 23.5 | 46.5 | 0.64 | CRBS1713 |
| XRBS18013 | 180 | 206 | 13 | 192 | 185 | 199 | 24.5 | 49.8 | 0.68 | CRBS1813 |
| XRBS19013 | 190 | 216 | 13 | 202 | 195 | 209 | 24.9 | 51.5 | 0.69 | CRBS1913 |
| XRBS20013 | 200 | 226 | 13 | 212 | 205 | 219 | 25.8 | 54.7 | 0.71 | CRBS2013 |
Extremely Compact Design: The XRBS series is renowned for its ultra-thin cross-section and minimal installation footprint. This feature is particularly effective in robotic spherical bearings, precision rotary table bearings, and various space-constrained applications, effectively reducing the weight and size of the overall equipment.
Excellent Rigidity and Precision: Thanks to the line contact between the rollers and raceways and a preloaded design, XRBS series bearings boast several times greater rigidity than conventional bearings. This ensures stability and high precision under high-speed and high-load conditions, making them ideal for applications requiring high positioning accuracy, such as precision machine tools and medical equipment.
High Load Capacity: Despite its compact design, the unique cross-roller structure effectively distributes loads, providing strong load-bearing capacity and easily handling high-load environments.
Easy Installation: The XRBS series bearings utilize an integrated inner and outer ring construction, simplifying installation, effectively reducing errors during installation, and ensuring high-precision operation.
The ultra-thin XRBS series crossed roller bearings, due to their outstanding performance, are widely used in the following high-tech fields:
Industrial Robots: As the core component of robot joint bearings, the XRBS series provides high rigidity and high-precision rotational support for robots.
Precision Machine Tools: In CNC machine tools, machining centers, and other equipment, they are used as precision rotary table bearings to ensure machining accuracy.
Medical Equipment: Their compactness and high precision are particularly important in equipment such as MRI scanners and surgical robots.
Semiconductor Manufacturing Equipment: They play a key role in semiconductor equipment that requires extremely high cleanliness and precision.
Aerospace Equipment: Inertial navigation systems, radar antennas, and other applications that place stringent requirements on lightweighting and high precision.
Selecting the correct crossed roller bearing model is critical to ensuring equipment performance. We offer comprehensive technical support and a detailed XRBS series crossed roller bearing selection guide. When selecting a bearing, please consider the following important factors:
Load Type: Radial, axial, or overturning moment.
Rotational Accuracy Requirements: Select the appropriate accuracy grade based on your equipment needs.
Installation Space: The XRBS series' ultra-thin design addresses space constraints.
Operating Environment: Consider temperature, vibration, lubrication method, and other factors.
The ultra-thin XRBS series crossed roller bearings represent not only technological advancements but also a commitment to precision manufacturing. We are committed to providing you with the highest quality products and solutions.
